Showing your palm to someone who is in front of you, as if to tell them "Stop," requires
A. hyperextension of the wrist.
B. flexion of the wrist.
C. abduction of the wrist.
D. hyperextension of the metacarpophalangeal joints.
E. dorsiflexion of the hand.
Answer: A
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Which structure is supplied by postganglionic fibers originating in the ciliary ganglion?
A. Spleen B. Parotid gland C. Liver D. Smooth muscle of the iris that constricts the pupil E. Submandibular salivary gland
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Which nerve transmits motor information to the effector in the light pupillary reflex?
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